January 30, 2023 (Monday) to February 5, 2023 (Sunday)
Week 5 of 2023 runs from January 30, 2023 (Monday) to February 5, 2023 (Sunday). This is the 5th week of the year according to the ISO 8601 standard, in which weeks start on Monday.
Jan 30 is a Monday. It is the first day of Week 5 of 2023.
Feb 5 is a Sunday. It is the last day of Week 5 of 2023.
Jan 30 is in Week 5 of 2023 according to ISO 8601.
Feb 5 is in Week 5 of 2023 according to ISO 8601.
Week 5 of 2023 runs from January 30, 2023 to February 5, 2023.
Week 5 of 2023 starts on January 30, 2023, the 30th day of 2023.
Yes, all 7 days of Week 5 of 2023 fall within 2023.
2023 has 52 weeks according to ISO 8601.